Datasheet LTC2222, LTC2223 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 12-Bit, 80Msps ADCs |
| 页数 / 页 | 28 / 5 — DIGITAL INPUTS AND DIGITAL OUTPUTS. The. denotes the specifi cations which … |
| 文件格式/大小 | PDF / 946 Kb |
| 文件语言 | 英语 |
DIGITAL INPUTS AND DIGITAL OUTPUTS. The. denotes the specifi cations which apply over the
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LTC2222/LTC2223
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Encode Inputs (ENC+, ENC–)
VID Differential Input Voltage l 0.2 V VICM Common Mode Input Voltage Internally Set 1.6 V Externally Set (Note 7) l 1.1 1.6 2.5 V RIN Input Resistance 6 kΩ CIN Input Capacitance (Note 7) 3 pF
Logic Inputs (OE, SHDN)
VIH High Level Input Voltage VDD = 3.3V l 2 V VIL Low Level Input Voltage VDD = 3.3V l 0.8 V IIN Input Current VIN = 0V to VDD l –10 10 μA CIN Input Capacitance (Note 7) 3 pF
Logic Outputs OVDD = 3.3V
COZ Hi-Z Output Capacitance OE = High (Note 7) 3 pF ISOURCE Output Source Current VOUT = 0V 50 mA ISINK Output Sink Current VOUT = 3.3V 50 mA VOH High Level Output Voltage IO = –10μA 3.295 V IO = –200μA l 3.1 3.29 V VOL Low Level Output Voltage IO = 10μA 0.005 V IO = 1.6mA l 0.09 0.4 V
OVDD = 2.5V
VOH High Level Output Voltage IO = –200μA 2.49 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V
OVDD = 1.8V
VOH High Level Output Voltage IO = –200μA 1.79 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V
POWER REQUIREMENTS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 8) LTC2222 LTC2223 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VDD Analog Supply Voltage (Note 7) l 3.1 3.3 3.5 3.1 3.3 3.5 V OVDD Output Supply Voltage (Note 7) l 0.5 3.3 3.6 0.5 3.3 3.6 V IVDD Analog Supply Current l 144 162 111 123 mA PDISS Power Dissipation l 475 535 366 406 mW PSHDN Shutdown Power SHDN = H, OE = H, No CLK 2 2 mW PNAP Nap Mode Power SHDN = H, OE = L, No CLK 35 35 mW 22223fb 5
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Encode Inputs (ENC+, ENC–)
VID Differential Input Voltage l 0.2 V VICM Common Mode Input Voltage Internally Set 1.6 V Externally Set (Note 7) l 1.1 1.6 2.5 V RIN Input Resistance 6 kΩ CIN Input Capacitance (Note 7) 3 pF
Logic Inputs (OE, SHDN)
VIH High Level Input Voltage VDD = 3.3V l 2 V VIL Low Level Input Voltage VDD = 3.3V l 0.8 V IIN Input Current VIN = 0V to VDD l –10 10 μA CIN Input Capacitance (Note 7) 3 pF
Logic Outputs OVDD = 3.3V
COZ Hi-Z Output Capacitance OE = High (Note 7) 3 pF ISOURCE Output Source Current VOUT = 0V 50 mA ISINK Output Sink Current VOUT = 3.3V 50 mA VOH High Level Output Voltage IO = –10μA 3.295 V IO = –200μA l 3.1 3.29 V VOL Low Level Output Voltage IO = 10μA 0.005 V IO = 1.6mA l 0.09 0.4 V
OVDD = 2.5V
VOH High Level Output Voltage IO = –200μA 2.49 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V
OVDD = 1.8V
VOH High Level Output Voltage IO = –200μA 1.79 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V
POWER REQUIREMENTS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 8) LTC2222 LTC2223 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VDD Analog Supply Voltage (Note 7) l 3.1 3.3 3.5 3.1 3.3 3.5 V OVDD Output Supply Voltage (Note 7) l 0.5 3.3 3.6 0.5 3.3 3.6 V IVDD Analog Supply Current l 144 162 111 123 mA PDISS Power Dissipation l 475 535 366 406 mW PSHDN Shutdown Power SHDN = H, OE = H, No CLK 2 2 mW PNAP Nap Mode Power SHDN = H, OE = L, No CLK 35 35 mW 22223fb 5